<!DOCTYPE html>
<html lang="en">

<head>
  <meta charset="UTF-8">
  <meta http-equiv="X-UA-Compatible" content="IE=edge">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <title>Document</title>
</head>

<body>
  <script>
    // 下列有一处错误，请找出哦~~
    // const obj = {
    //   username: '小明',
    //   age: 18
    // }
    // const { uname: username, age } = obj

    const obj = {
      username: '小明',
      age: 18
    }
    const { username, age } = obj
    console.log(username, age)
  </script>
</body>

</html>